<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="lib/jquery-3.3.1.min.js"></script>
    <script src="js/index.js"></script>
</head>
<body>
    <div>
        <p>hello world1</p>
        <p>hello world2</p>
        <p>hello world3</p>
        <p>hello world4</p>
    </div>
    <script>
    </script>
</body>

</html>